Subject
Economic theory.
6
Statistical physics.
6
Engineering.
5
Mathematics.
5
Physics.
5
Renewable energy resources.
5
Chemistry.
3
Civil engineering.
3
Electric utilities
3
Marine engineering.
3
Production engineering.
3
Statistics.
3
Thermodynamics.
3
Biochemistry.
2
Biotechnology.
2
Business.
2
Computational complexity.
2
Computer science.
2
Control engineering.
2
Data mining.
2
Dynamical systems.
2
Econometrics.
2
Economic growth.
2
Electric power consumption
2
Energy and state.
2
Energy policy.
2
Energy storage.
2
Energy systems.
2
Engineering mathematics.
2
Environmental engineering.
2
Finance.
2
Fossil fuels.
2
Life sciences.
2
Natural resources.
2
Oceanography.
2
Pesticides
2
Pests
2
Psychology
2
Science (General)
2
economy
2
Aging.
1
Agricultural economics.
1
Agriculture.
1
Application software.
1
Applied mathematics.
1
Applied psychology.
1
Artificial intelligence -- Social aspects.
1
Artificial intelligence.
1
Asia -- Economic conditions.
1
Automation.
1
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